- Specification
- Datasheet download
FWX-45A is a 45 A, 250 V a.c. / 250 V d.c. high speed fuse link with bolted tags, 200 kA breaking capacity and 80 A²s pre-arcing I²t. Power loss at rated current is 5.7 W. Clearing I²t is 390 A²s. It is used for protection of power semiconductors, rectifiers and DC bus in drives and UPS.
| Specifications | |
| Catalog Number | FWX-45A |
| Series | Bussmann series FWX |
| Product Type | High speed fuse link (bolted tag) |
| Rated Voltage AC | 250 V a.c. (UL) |
| Rated Voltage DC | 250 V d.c. |
| Rated Current | 45 A |
| Breaking Capacity | 200 kA (a.c.), 50 kA (d.c.) |
| Pre-arcing I²t | 80 A²s |
| Clearing I²t | 390 A²s |
| Power Loss at Rated Current | 5.7 W |
| Size | Bolted tag |
| Standards | UL Recognized (JFHR2), IEC 60269-4 |
| Application | Protection of power semiconductors, rectifiers and dc bus in drives and ups |
| Dimensions |  Full size drawing ↓ |
Dimensions
Bussmann Fuse, Semiconductor Fuse, Time Delay Fuse, High Speed Fuse, Class J Fuse, Class T Fuse, Class cc fuse, Class RK1 Fuse, Class RK5 Fuse, Class L Fuse, DC Contactor, Disconnect Switch, Car Fuse, Current Limiting Fuse, HV Fuse, Bussmann Fuse Holder, AC Fuse, DC Fuse
You can ask any Bussmann fuse and fuse cross reference(Littelfuse, Mersen, etc).
TAG: FWX-45A Bussmann FWX High Speed Fuse Bolted Tag 45A
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